Granted Patent
Utility
US 6,538,413 · App. 09/299,892
Battery pack with capacity and pre-removal indicators
Inventors:
Paul Beard, Robert J. Grabon
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Apr 27, 1999
Inventors
Paul Beard
Robert J. Grabon
Assignee (at issue)
INTERMEC IP CORP.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.